Angular: Unit Testing
 

This course will teach you how to write fast, maintainable unit tests using a Vitest-based testing system and Angular Testing Library to build robust, reliable applications.
What you'll learn
In modern development, untested code can quickly lead to fragile apps. In this course, Angular: Unit Testing, you'll learn how to build confidence in your Angular applications through automated tests. First, you'll explore how to set up and run tests using Angular's modern test builder (now stable in v21) and Vitest as the default tooling. Next, you'll discover how to write tests for components, services, and directives using Angular Testing Library and Vitest's clean syntax. Finally, you'll learn how to organize your tests, validate async behavior, and implement a complete testing workflow that fits naturally into your development process. When you're finished with this course, you'll have the skills and knowledge of Angular needed to build robust applications supported by fast, automated tests.